cassette

C1 · Advanced Countable noun Science Technical

n. a lightproof container used to hold photographic film.

n. a light-tight container designed to hold and protect photographic film or plates before and after exposure.

“The photographer carefully loaded the film cassette into the camera in the dark.”

“In traditional radiography, the technician must ensure the X-ray cassette is properly aligned with the patient to avoid image distortion.”

C1 · Advanced Countable noun Sports Technical

n. the set of gears on the back wheel of a bicycle.

n. the cluster of sprockets mounted onto the freehub of a bicycle's rear wheel.

“He had to clean the cassette on his bike because it was covered in mud.”

“The mechanic recommended replacing the cassette and the chain simultaneously to ensure smooth shifting under heavy load.”

C2 · Proficiency Archaic

v. to record sound or video onto a cassette tape.

v. to record audio or video content onto a magnetic tape cartridge.

“In the 1980s, people would often cassette songs from the radio.”

“The interview was cassetted for archival purposes, though the quality of the magnetic medium has degraded significantly over the decades.”